[commit: ghc] wip/T9705: Add test case for T9705 (1cca652)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/T9705
Link       : http://ghc.haskell.org/trac/ghc/changeset/1cca652e8d4a8b87daf70bded87cddc39d973dab/ghc

>---------------------------------------------------------------

commit 1cca652e8d4a8b87daf70bded87cddc39d973dab
Author: Dr. ERDI Gergo <gergo at erdi.hu>
Date:   Tue Oct 21 20:51:55 2014 +0800

    Add test case for T9705


>---------------------------------------------------------------

1cca652e8d4a8b87daf70bded87cddc39d973dab
 testsuite/tests/patsyn/should_fail/T9705.hs     | 3 +++
 testsuite/tests/patsyn/should_fail/T9705.stderr | 4 ++++
 testsuite/tests/patsyn/should_fail/all.T        | 1 +
 3 files changed, 8 insertions(+)

diff --git a/testsuite/tests/patsyn/should_fail/T9705.hs b/testsuite/tests/patsyn/should_fail/T9705.hs
new file mode 100644
index 0000000..54d1d00
--- /dev/null
+++ b/testsuite/tests/patsyn/should_fail/T9705.hs
@@ -0,0 +1,3 @@
+{-# LANGUAGE PatternSynonyms #-}
+class C a where
+    pattern P = ()
diff --git a/testsuite/tests/patsyn/should_fail/T9705.stderr b/testsuite/tests/patsyn/should_fail/T9705.stderr
new file mode 100644
index 0000000..d9a3a49
--- /dev/null
+++ b/testsuite/tests/patsyn/should_fail/T9705.stderr
@@ -0,0 +1,4 @@
+
+T9705.hs:3:5:
+    Pattern synonyms not allowed in instance declarations
+      pattern P = ()
diff --git a/testsuite/tests/patsyn/should_fail/all.T b/testsuite/tests/patsyn/should_fail/all.T
index bff6bdf..298f23b 100644
--- a/testsuite/tests/patsyn/should_fail/all.T
+++ b/testsuite/tests/patsyn/should_fail/all.T
@@ -6,3 +6,4 @@ test('T8961', normal, multimod_compile_fail, ['T8961',''])
 test('as-pattern', normal, compile_fail, [''])
 test('T9161-1', normal, compile_fail, [''])
 test('T9161-2', normal, compile_fail, [''])
+test('T9705', normal, compile_fail, [''])